import Vue from 'vue'
import VueRouter from 'vue-router'
import Login from '@/components/Login.vue'
import Home from '@/components/Home.vue'
import Welcome from '@/components/Welcome.vue'
import Users from '@/components/user/Users.vue'
import Rights from '@/components/power/Rights.vue'
import Roles from '@/components/power/Roles.vue'
import Cate from '@/components/goods/Cate.vue'
import Params from '@/components/goods/Params.vue'
import GoodsList from '@/components/goods/List.vue'
import Add from '@/components/goods/Add.vue'
import Order from '@/components/order/Order.vue'
import Report from '@/components/report/Report.vue'

Vue.use(VueRouter)

const routes = [
    { path: '/', redirect: '/login' },
    { path: '/login', component: Login },
    {
        path: '/home',
        component: Home,
        redirect: '/welcome',
        children: [
            { path: '/welcome', component: Welcome },
            { path: '/users', component: Users },
            { path: '/rights', component: Rights },
            { path: '/roles', component: Roles },
            { path: '/categories', component: Cate },
            { path: '/params', component: Params },
            { path: '/goods', component: GoodsList },
            { path: '/goods/add', component: Add },
            { path: '/orders', component: Order },
            { path: '/reports', component: Report }
        ]
    }
]

const router = new VueRouter({
    routes
})

// 挂载路由导航守卫
router.beforeEach((to, from, next) => {
    // to 将要访问的路径
    // from 代表从哪个路径条状而来
    // next 是一个函数， 表示放行
    // next() 放行      next('/login')  强制跳转

    if (to.path === '/login') return next()
        // 获取token
    const tokenStr = window.sessionStorage.getItem('token')
    if (!tokenStr) return next('/login')
    next()
})

export default router